--- version: rssac002v3 service: j.root-servers.net start-period: '2019-04-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6970757966 dns-udp-queries-received-ipv6: 1111240302 dns-tcp-queries-received-ipv4: 549831041 dns-tcp-queries-received-ipv6: 68980173 dns-udp-responses-sent-ipv4: 6505745283 dns-udp-responses-sent-ipv6: 1070514767 dns-tcp-responses-sent-ipv4: 405612950 dns-tcp-responses-sent-ipv6: 51149631